# CHANGELOG — Neuroinflammation and Neurodegenerative Disorders Database

## V2 (2026-03-19) — Documentation enrichment
Files added: README.md, CODEBOOK.md, METHODOLOGY.md, CHANGELOG.md, references.csv
Metadata improvements: expanded description, extended keywords, related publications.

## V1 (2026-02-xx) — Initial release
File: Neuroinflammation_Neurodegenerative_Disorders_Database.csv
89 observations, 11 variables.
Coverage: Alzheimer (AD), Parkinson (PD), Multiple Sclerosis (MS).
Categories: CSF/blood biomarkers, neuroimaging, clinical scales, epidemiology,
genetics, approved drugs, clinical trials (2020-2024), economic burden.
Sources: PubMed/PMC, Mayo Clinic, MSBase, WHO (2013-2026).